package com.example.demoproject;

import java.util.ArrayList;
import java.util.HashMap;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import android.*;
import android.app.ListActivity;
import android.app.ProgressDialog;
import android.content.Intent;
import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.TextView;

public class MainActivity extends ListActivity {

	private ProgressDialog pDialog;

	// URL to get contacts JSON
	private static String url = "http://service2.topprinter.org/hamtruyencom/cuudinhkyrest";

	// JSON Node names
	// private static final String TAG_CONTACTS = "contacts";
	// private static final String TAG_ID = "id";
	// private static final String TAG_NAME = "name";
	// private static final String TAG_EMAIL = "email";
	// private static final String TAG_ADDRESS = "address";
	// private static final String TAG_GENDER = "gender";
	// private static final String TAG_PHONE = "phone";
	// private static final String TAG_PHONE_MOBILE = "mobile";
	// private static final String TAG_PHONE_HOME = "home";
	// private static final String TAG_PHONE_OFFICE = "office";
	private static final String TAG_DATA = "data";
	private static final String TAG_TITLE = "title";
	private static final String TAG_DES = "description";
	private static final String TAG_NUMBERCHAP = "numberchap";
	private static final String TAG_ITEMS = "items";
	private static final String TAG_IMG_THUMBNAIL_DATA = "image_thumbnail";
	private static final String TAG_CHAP = "Chap";
	private static final String TAG_IMG_THUMBNAIL_ITEMS = "img_thumbnail";
	private static final String TAG_DETAIL = "detail";
	private static final String TAG_ID = "id";
	private static final String TAG_NEOCHAP = "neochap";
	private static final String TAG_LINKCHAP = "link_chap";
	// contacts JSONArray
	JSONArray contacts;

	// Hashmap for ListView
	ArrayList<HashMap<String, String>> contactList;

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);

		contactList = new ArrayList<HashMap<String, String>>();

		ListView lv = getListView();

		// Listview on item click listener
		lv.setOnItemClickListener(new OnItemClickListener() {

			@Override
			public void onItemClick(AdapterView<?> parent, View view,
					int position, long id) {
				// getting values from selected ListItem
				// getting values from selected ListItem
				String name = ((TextView) view.findViewById(R.id.name))
						.getText().toString();
				String cost = ((TextView) view.findViewById(R.id.email))
						.getText().toString();
				String description = ((TextView) view.findViewById(R.id.mobile))
						.getText().toString();

				// Starting single contact activity
				Intent in = new Intent(getApplicationContext(),
						SingleContactActivity.class);
				in.putExtra(TAG_CHAP, name);
				in.putExtra(TAG_DETAIL, cost);
				in.putExtra(TAG_IMG_THUMBNAIL_ITEMS, description);
				startActivity(in);
			}
		});

		// Calling async task to get json
		new GetContacts().execute();
	}

	/**
	 * Async task class to get json by making HTTP call
	 * */
	private class GetContacts extends AsyncTask<Void, Void, Void> {

		@Override
		protected void onPreExecute() {
			super.onPreExecute();
			// Showing progress dialog
			pDialog = new ProgressDialog(MainActivity.this);
			pDialog.setMessage("Please wait...");
			pDialog.setCancelable(false);
			pDialog.show();

		}

		@Override
		protected Void doInBackground(Void... arg0) {
			// Creating service handler class instance
			ServiceHandler sh = new ServiceHandler();

			// Making a request to url and getting response
			String jsonStr = sh.makeServiceCall(url, ServiceHandler.GET);

			// Log.e("Response: ", "> " + jsonStr);

			if (jsonStr != null) {
				try {
					JSONObject jsonObj = new JSONObject(jsonStr);
					JSONObject data = jsonObj.getJSONObject(TAG_DATA);
					HashMap<String, String> contact = new HashMap<String, String>();
					// Getting JSON Array node
					contacts = data.getJSONArray(TAG_ITEMS);
					// Log.e("Contact", ""+contacts);
					// looping through All Contacts
					for (int i = 0; i < contacts.length(); i++) {
						JSONObject c = contacts.getJSONObject(i);
						// Log.e("Valiable C", "Nhan bien"+ c);

						// String id= c.getString("id");

						// jsonProductObject.getString("Chap");
						String chap = c.getString("Chap");

						String neochap = c.getString(TAG_NEOCHAP);

						String linkchap = c.getString("link_chap");

						String img_thumbnail = c.getString("img_thumbnail");
						// Log.e("Valiable Image", "bien image"+ img_thumbnail);

						// String detail = c.getString(TAG_DETAIL);

						// String gender = c.getString(TAG_GENDER);
						// Log.e("Id", detail);
						// Phone node is JSON Object
						// JSONObject phone = c.getJSONObject(TAG_PHONE);
						// String mobile = phone.getString(TAG_PHONE_MOBILE);
						// String home = phone.getString(TAG_PHONE_HOME);
						// String office = phone.getString(TAG_PHONE_OFFICE);

						// tmp hashmap for single contact

						// adding each child node to HashMap key => value
						contact.put("Chap", chap);
						contact.put("link_chap", linkchap);
						contact.put("img_thumbnail", img_thumbnail);

						// contact.put(TAG_DETAIL, detail);
						//
						// // adding contact to contact list
						contactList.add(contact);

					}
					Log.e("Contact", "" + contact);
					Log.e("Data", "MyData"+data);
					Log.e("Contactlist", "" + contacts);
					Log.e("Contactlist", "" + contacts.length());

				} catch (JSONException e) {
					e.printStackTrace();
				}
			} else {
				Log.e("ServiceHandler", "Couldn't get any data from the url");
			}

			return null;
		}

		@Override
		protected void onPostExecute(Void result) {
			super.onPostExecute(result);
			// Dismiss the progress dialog
			if (pDialog.isShowing())
				pDialog.dismiss();
			/**
			 * Updating parsed JSON data into ListView
			 * */
			ListAdapter adapter = new SimpleAdapter(MainActivity.this,
					contactList, R.layout.list_item, new String[] { "chap",
							"link_chap", "img_thumbnail" }, new int[] {
							R.id.name, R.id.email, R.id.mobile });

			setListAdapter(adapter);
		}

	}

}
